Leaves Flashcards
The stalk that connects the blade of many leaves to the stem is the ____
petiole
A plant where 3 leaves attach to the stem at each node has __ phyllotaxy
whorled
Leaves In which the blades is separated into leaflets that are arranged along a rachis are____
pinnately compound
Leaves, as in most monocots, where the veins (vascular bundles) run along side each other for most of the leaf-length but don’t form a network have ____
parallel venation
Leaves or leaflets, much longer than wide, where the margins are parallel for most of their length as in grasses, are ___.
Linear
Leaves or leaflets that are nearly round in shape are
orbicular
A leaf tip that is acute and drawn-out to a long, narrow apex is ___
acuminate
A leaf base that is deeply notched so that the leaf is heart-shaped is ___
cordate
A leaf margin which is is saw-toothed with larger and smaller teeth is ___
doubly serrate
A leaf where the margin is deeply divided almost all the way to a common point at the base of the blade is ___
Palmately divided
A leaf, stem, flower part or other structure conspicuously covered in epidermal trichomes is___
pubescent
The densely packed photosynthetic cells that form the ground tissue in the upper part of most leaf blades is the ___
palisade parenchyma
A sharp ‘poker’ modified from a leaf or leaf-part is called a ___
spine
A sharp ‘poker’ modified from a leaf or leaf-part is called a ___
bulliform cells
